import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/users/User.vue'
import Roles from '../components/power/Roles.vue'
import rights from '../components/power/rights.vue'
Vue.use(VueRouter)

  const routes = [
    {
      path:'/',
      redirect:'/login'
    },
  {
    path: '/login',
    component: Login
  },
  {
    path:'/home',
    component:Home,
    redirect:'/welcome',
    children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component:User },
      {path:'/roles',component:Roles },
      {path:'/rights',component:rights }
    ]
  },
]

const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})
//路由导航守卫
router.beforeEach((to,from,next) => {
 if(to.path === '/login') return next();
 const tokenstr = window.sessionStorage.getItem('token');
 if(!tokenstr) return next('/login');
 next()
})
export default router
